RADER, Circuit Judge.
On summary judgment, the United States District Court for the Northern District of Texas determined that Microsoft Corp., Psion Incorporated, and Apple Computer, Inc. (among others) did not infringe, either literally or by equivalents, claim 22 of Innovad, Inc.'s U.S. Patent No. 4,882,750 (the '750 patent). Because claim 22 does not cover any dialer units with a keypad and the accused devices include keypads, this court affirms.
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